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- /**
- * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* globals document */
- import FocusObserver from '../../../src/view/observer/focusobserver';
- import View from '../../../src/view/view';
- import createViewRoot from '../_utils/createroot';
- import { setData } from '../../../src/dev-utils/view';
- describe( 'FocusObserver', () => {
- let view, viewDocument, observer;
- beforeEach( () => {
- view = new View();
- viewDocument = view.document;
- observer = view.getObserver( FocusObserver );
- } );
- afterEach( () => {
- view.destroy();
- } );
- it( 'should define domEventType', () => {
- expect( observer.domEventType ).to.deep.equal( [ 'focus', 'blur' ] );
- } );
- it( 'should use capturing phase', () => {
- expect( observer.useCapture ).to.be.true;
- } );
- describe( 'onDomEvent', () => {
- it( 'should fire focus with the right event data', () => {
- const spy = sinon.spy();
- viewDocument.on( 'focus', spy );
- observer.onDomEvent( { type: 'focus', target: document.body } );
- expect( spy.calledOnce ).to.be.true;
- const data = spy.args[ 0 ][ 1 ];
- expect( data.domTarget ).to.equal( document.body );
- } );
- it( 'should fire blur with the right event data', () => {
- const spy = sinon.spy();
- viewDocument.on( 'blur', spy );
- observer.onDomEvent( { type: 'blur', target: document.body } );
- expect( spy.calledOnce ).to.be.true;
- const data = spy.args[ 0 ][ 1 ];
- expect( data.domTarget ).to.equal( document.body );
- } );
- it( 'should render document after blurring', () => {
- const renderSpy = sinon.spy( view, 'render' );
- observer.onDomEvent( { type: 'blur', target: document.body } );
- sinon.assert.calledOnce( renderSpy );
- } );
- } );
- describe( 'handle isFocused property of the document', () => {
- let domMain, domHeader, viewMain;
- beforeEach( () => {
- domMain = document.createElement( 'div' );
- domHeader = document.createElement( 'h1' );
- viewMain = createViewRoot( viewDocument );
- view.attachDomRoot( domMain );
- } );
- it( 'should set isFocused to true on focus', () => {
- observer.onDomEvent( { type: 'focus', target: domMain } );
- expect( viewDocument.isFocused ).to.equal( true );
- } );
- it( 'should set isFocused to false on blur', () => {
- observer.onDomEvent( { type: 'focus', target: domMain } );
- expect( viewDocument.isFocused ).to.equal( true );
- observer.onDomEvent( { type: 'blur', target: domMain } );
- expect( viewDocument.isFocused ).to.be.false;
- } );
- it( 'should set isFocused to false on blur when selection in same editable', () => {
- view.change( writer => {
- writer.setSelection( viewMain, 0 );
- } );
- observer.onDomEvent( { type: 'focus', target: domMain } );
- expect( viewDocument.isFocused ).to.equal( true );
- observer.onDomEvent( { type: 'blur', target: domMain } );
- expect( viewDocument.isFocused ).to.be.false;
- } );
- it( 'should not set isFocused to false on blur when it is fired on other editable', () => {
- view.change( writer => {
- writer.setSelection( viewMain, 0 );
- } );
- observer.onDomEvent( { type: 'focus', target: domMain } );
- expect( viewDocument.isFocused ).to.equal( true );
- observer.onDomEvent( { type: 'blur', target: domHeader } );
- expect( viewDocument.isFocused ).to.be.true;
- } );
- it( 'should delay rendering by 50ms', () => {
- const renderSpy = sinon.spy( view, 'render' );
- const clock = sinon.useFakeTimers();
- observer.onDomEvent( { type: 'focus', target: domMain } );
- sinon.assert.notCalled( renderSpy );
- clock.tick( 50 );
- sinon.assert.called( renderSpy );
- clock.restore();
- } );
- it( 'should not call render if destroyed', () => {
- const renderSpy = sinon.spy( view, 'render' );
- const clock = sinon.useFakeTimers();
- observer.onDomEvent( { type: 'focus', target: domMain } );
- sinon.assert.notCalled( renderSpy );
- observer.destroy();
- clock.tick( 50 );
- sinon.assert.notCalled( renderSpy );
- clock.restore();
- } );
- } );
- describe( 'integration test', () => {
- let viewDocument, domRoot, observer;
- beforeEach( () => {
- domRoot = document.createElement( 'div' );
- document.body.appendChild( domRoot );
- view = new View();
- viewDocument = view.document;
- createViewRoot( viewDocument );
- view.attachDomRoot( domRoot );
- observer = view.getObserver( FocusObserver );
- } );
- it( 'should always render document after selectionChange event', done => {
- const selectionChangeSpy = sinon.spy();
- const renderSpy = sinon.spy();
- setData( view, '<div contenteditable="true">foo bar</div>' );
- view.render();
- viewDocument.on( 'selectionChange', selectionChangeSpy );
- view.on( 'render', renderSpy );
- view.on( 'render', () => {
- sinon.assert.callOrder( selectionChangeSpy, renderSpy );
- done();
- } );
- // Mock selectionchange event after focus event. Render called by focus observer should be fired after
- // async selection change.
- viewDocument.fire( 'focus' );
- viewDocument.fire( 'selectionChange' );
- } );
- it( 'should render without selectionChange event', done => {
- const selectionChangeSpy = sinon.spy();
- const renderSpy = sinon.spy();
- setData( view, '<div contenteditable="true">foo bar</div>' );
- view.render();
- const domEditable = domRoot.childNodes[ 0 ];
- viewDocument.on( 'selectionChange', selectionChangeSpy );
- view.on( 'render', renderSpy );
- view.on( 'render', () => {
- sinon.assert.notCalled( selectionChangeSpy );
- sinon.assert.called( renderSpy );
- done();
- } );
- observer.onDomEvent( { type: 'focus', target: domEditable } );
- } );
- } );
- } );
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